The Lorenz curve for the income distribution in a certain country in 2005 is given by 
. Find the Gini coefficient of income for 2005 for this country. Round your answer to four decimal places.
?
A. ?0.3576
B. 0.4648
C. 0.5614
D. 0.2103
E. 0.2668
Answer: A
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Solve the equation for x.y = cos (x + 12)
A. x = arccos (y + 12) B. x = arccos y - 12 C. x = arccos (y - 12) D. x = arccos y + 12
Solve the problem.A rectangular plot of land measures 80 feet by 130 feet. Find its area.
A. 1040 sq ft B. 210 sq ft C. 10,400 sq ft D. 420 sq ft
Provide an appropriate response.Identify which of the following properties apply to the graph of 
I. The domain is all real numbers except integer multiples of ?. II. The range is (-?, -1] ? [1, ?). III. The equations of the vertical asymptotes are 
, where n is an odd integer. IV. The x-intercepts are of the form 
where n is an integer.
A. III and IV B. II and IV C. I and III D. I only
Decide whether the relation is a function.{(-1, -6), (1, 5), (6, 3), (8, -3), (10, 9)}
A. Function B. Not a function